User's Manual
Table Of Contents
- Chapter 1 Product Overview
- Chapter 2: Motherboard information
- Chapter 3: BIOS setup
- 3.1 BIOS Setup program
- 3.2 Main menu
- 3.3 Advanced menu
- 3.3.1 PCH-FW Configuration
- 3.3.2 Trusted Computing
- 3.3.3 CPU Configuration
- 3.3.4 Graphics Configuration
- 3.3.5 Power Management
- 3.3.6 PCI Express Configuration
- 3.3.7 Super IO Configuration
- 3.3.8 Serial Console Redirection
- 3.3.9 SATA Configuration
- 3.3.10 VMD setup menu
- 3.3.11 Network Stack Configuration
- 3.3.12 USB Configuration
- 3.3.13 NVMe Configuration
- 3.3.14 Onboard Devices Configuration
- 3.3.15 APM Configuration
- 3.3.16 EZ-Flash
- 3.3.17 Watchdog Timer
- 3.4 Hardware Monitor menu
- 3.5 Security menu
- 3.6 Boot menu
- 3.7 Exit menu
- Appendix
Q670EA-IM-A
2-12
4. AT/ATX mode selection (3-pin AT_ATX_SEL)
In ATX mode (default), you will need to manually press the power button to
turn on the system power. In AT mode, the board will automatically turn on
when system power is connected.
Connector type
HEADER 1x3p, 2.54mm pitch, S/T
21 2 3
ATX mode
(Default)
AT mode
AT_ATX_SEL
Pins Description
1-2 (Default) ATX mode
2-3 AT mode